He wrote on the social media site: "Could be time to pull the tarp...Tomorrow?"

The Man of Steel director recently discussed the upcoming crossover film - which is to star Henry Cavill, Ben Affleck, Jesse Eisenberg and Gal Gadot - saying that it will take the two universes and "explode" them.

"In Man of Steel, we had to create an origin story, a mythology, and there's a lot of energy into that, which we love doing. Don't get me wrong. But when you think about how fun it is too - now that you've got these characters - to now let 'em loose. That's fun!" he said.

Video: Henry Cavill discusses his hopes for Batman vs Superman

Snyder is directing from a script by David S Goyer. Hans Zimmer recently revealed that Snyder asked him to score the project.

The movie will be released on April 30, 2016 in the UK and May 6, 2016 in the US.